ECHO: 99944200907 Speed Feed 400 CLAMSHELL UNIVERSAL FIT

The revolutionary Speed-Feed 400 Universal Trimmer Head takes the hassle out of refilling your trimmer head, and is the easiest tap-to-advance head available on the market today. The unique design allows you to reload in under 30 seconds in just 3 easy steps, all without disassembling the head, to save you time and get you back on the job faster. TOP FEATURES Reloads in seconds Tap-to-advance line feed Pre-loaded with .095 in. dia. Cross-Fire® line COMPATIBLE WITH 99944200907 model fits all ECHO SRM models and is standard on SRM-225, SRM-225i, SRM-225U, SRM-230, SRM-2320T, SRM-2620, SRM-2620T, SRM-2620U 99944200908 fits ECHO GT curved shaft trimmer models; Standard on GT-225SF and GT-225L and other brands such as Stihl, Husqvarna, Redmax and more "Does not work on Stihl Curve Shaft models"